Add CPU_CFLAGS-y into LIBGCC_CFLAGS so multilibs gcc will behave itself.  Revery the "=" to ":=" change, so people like Miles can set stuff in their .config
Add CPU_CFLAGS-y into LIBGCC_CFLAGS so multilibs gcc will behave
itself.  Revery the "=" to ":=" change, so people like Miles can
set stuff in their .config

ffainelli/uClibc,majek/uclibc-vx32,ffainelli/uClibc,brgl/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,mephi42/uClibc,kraj/uclibc-ng,gittup/uClibc,klee/klee-uclibc,klee/klee-uclibc,ysat0/uClibc,wbx-github/uclibc-ng,ChickenRunjyd/klee-uclibc,ffainelli/uClibc,ffainelli/uClibc,kraj/uClibc,hwoarang/uClibc,atgreen/uClibc-moxie,foss-xtensa/uClibc,waweber/uclibc-clang,ddcc/klee-uclibc-0.9.33.2,gittup/uClibc,majek/uclibc-vx32,m-labs/uclibc-lm32,ChickenRunjyd/klee-uclibc,waweber/uclibc-clang,ChickenRunjyd/klee-uclibc,wbx-github/uclibc-ng,czankel/xtensa-uclibc,ysat0/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,hjl-tools/uClibc,ddcc/klee-uclibc-0.9.33.2,klee/klee-uclibc,ddcc/klee-uclibc-0.9.33.2,brgl/uclibc-ng,atgreen/uClibc-moxie,kraj/uClibc,brgl/uclibc-ng,groundwater/uClibc,skristiansson/uClibc-or1k,kraj/uclibc-ng,atgreen/uClibc-moxie,kraj/uclibc-ng,atgreen/uClibc-moxie,mephi42/uClibc,hwoarang/uClibc,gittup/uClibc,OpenInkpot-archive/iplinux-uclibc,majek/uclibc-vx32,skristiansson/uClibc-or1k,OpenInkpot-archive/iplinux-uclibc,groundwater/uClibc,czankel/xtensa-uclibc,klee/klee-uclibc,hwoarang/uClibc,hjl-tools/uClibc,kraj/uClibc,m-labs/uclibc-lm32,czankel/xtensa-uclibc,hwoarang/uClibc,foss-xtensa/uClibc,groundwater/uClibc,groundwater/uClibc,ndmsystems/uClibc,mephi42/uClibc,czankel/xtensa-uclibc,groundwater/uClibc,wbx-github/uclibc-ng,kraj/uclibc-ng,hjl-tools/uClibc,ysat0/uClibc,OpenInkpot-archive/iplinux-uclibc,foss-xtensa/uClibc,mephi42/uClibc,brgl/uclibc-ng,foss-xtensa/uClibc,hjl-tools/uClibc,ddcc/klee-uclibc-0.9.33.2,waweber/uclibc-clang,ndmsystems/uClibc,ysat0/uClibc,skristiansson/uClibc-or1k,majek/uclibc-vx32,OpenInkpot-archive/iplinux-uclibc,wbx-github/uclibc-ng,ChickenRunjyd/klee-uclibc,skristiansson/uClibc-or1k,gittup/uClibc,ndmsystems/uClibc,m-labs/uclibc-lm32,waweber/uclibc-clang,foss-for-synopsys-dwc-arc-processors/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,ffainelli/uClibc,kraj/uClibc,ndmsystems/uClibc,m-labs/uclibc-lm32,hjl-tools/uClibc